chore: migrate module path from GitLab to Gitea

- Update go.mod module path to git.unbound.se/unboundsoftware/pagination
- Remove GitLab CI linter from pre-commit config
- Update go-imports local path for new domain
- Remove GitLab badges from README
- Delete .gitlab-ci.yml (Gitea Actions workflow already exists)

.pre-commit-config.yaml

@@ -10,13 +10,6 @@ repos:
     args:
     - --allow-multiple-documents
   - id: check-added-large-files
-- repo: https://gitlab.com/devopshq/gitlab-ci-linter
-  rev: v1.0.6
-  hooks:
-  - id: gitlab-ci-linter
-    args:
-    - --project
-    - unboundsoftware/pagination
 - repo: https://github.com/alessandrojcm/commitlint-pre-commit-hook
   rev: v9.23.0
   hooks:
@@ -30,7 +23,7 @@ repos:
   - id: go-imports
     args:
     - -local
-    - gitlab.com/unboundsoftware/shiny/presenter
+    - git.unbound.se/unboundsoftware
 - repo: https://github.com/lietu/go-pre-commit
   rev: v1.0.0
   hooks: